Head-of-bed position after clot-removal stroke therapy
Official title: A Pragmatic, Multicentre, Adaptive, Prospective, Open-label, Blinded Endpoint Randomized Clinical Trial Assessing the Impact of Head-of-bed Positioning at 0-degrees Versus 30-degrees or More on Functional Recovery Following Endovascular Thrombectomy for Anterior Circulation Large Vessel Occlusion Stroke.
Run by Population Health Research Institute · NCT07367633 · Data updated 2026-11-12
This study tests whether keeping the head of the bed flat (0 degrees) after thrombectomy improves recovery compared with a raised position in adults who had an ischemic stroke due to large vessel blockage.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 2240 (estimated) |
| Sponsor | Population Health Research Institute Academic / other |
| Locations | 2 sites (Greater Sudbury, Ontario and 1 other locations) |
| Status | Recruiting |
| Started | September 3, 2026 |
| Main results expected | April 2029 |
| Study ends | May 2029 |
| Registry record updated | September 18, 2026 |
| Trial ID | NCT07367633 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults 18 years or older who have had an anterior circulation ischemic stroke treated with endovascular thrombectomy.
✕Probably not a fit
Patients who do not experience improved outcomes from bed-positioning strategies or who have contraindications to specific post-procedure positioning may not benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
In this interventional trial, adults who have undergone endovascular thrombectomy for large vessel occlusion are randomized to be kept with the head of the bed at 0 degrees or at 30 degrees or higher. The aim is to see if body positioning after clot removal influences functional outcomes after stroke. The study compares two post-procedure head positions and uses standard care for all other aspects of recovery. Eligibility requires confirmed LVO treatment, consent capability, and specific clinical criteria; exclusions include pre-procedure ventilatory support and certain heart conditions. The trial is sponsored by the Population Health Research Institute with sites in Ontario, Canada.
Why it matters
Potential benefit: If successful, adopting optimal head-of-bed positioning after thrombectomy could improve functional recovery and reduce disability after stroke.
How similar studies have gone: Previous thrombectomy-positioning research has yielded mixed results, making this approach exploratory but potentially practice-changing if beneficial.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Age 18 years or older on the date of randomization * Endovascular thrombectomy (EVT) for large vessel occlusion (LVO) in the anterior circulation, according to current guidelines and local standards of clinical care. The definition of LVO may include the intracranial segment of the internal carotid artery (ICA), and/ or the M1 segment (proximal, mid, distal) of the middle cerebral artery (M1-MCA), and/ or the proximal M2 segment of the MCA (M2-MCA) * Capable of giving signed informed consent either independently, or by a legally authorized representative (LAR), or via a deferred consent process approved by the relevant ethics committee, which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol. Exclusion Criteria: * Mechanical ventilatory support for acute medical condition prior to procedure (i.e. required for reasons other than procedure) * Symptomatic congestive heart failure, chronic obstructive pulmonary disease, or any other medical condition that would make either HoB position inappropriate for patient care in the judgement of the investigator. * Any condition, such as but not limited to, agitation/ delirium or severe nausea/ vomiting, that, in the view of the investigator, is expected to significantly impede maintaining the assigned HoB * Any condition with life expectancy of less than 3 months * Inability to randomize within 1 hour from the end of the EVT
Where it's running
-
Health Sciences North
Greater Sudbury, Ontario, Canada Recruiting -
Hamilton General Hospital
Hamilton, Ontario, Canada Recruiting
Study contacts
- Principal investigator: Aristeidis Katsanos, MD — Population Health Research Institute
- Study coordinator: Samantha Block, BSc
- Email: hobit@phri.ca
- Phone: 905-521-2100
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.